nix-config/modules/nixos-modules/storage/storage.nix

73 lines
2.3 KiB
Nix

{
lib,
config,
util,
...
}: {
# TODO: create all of the datasets from option and home-manager datasets
# TODO: set up datasets for systemd services that want a dataset created
config = lib.mkMerge [
(
lib.mkIf config.storage.zfs.enable (lib.mkMerge [
{
storage.zfs.datasets = {
"persist/system/nix" = {
type = "zfs_fs";
mountpoint = "/nix";
options = {
atime = "off";
relatime = "off";
canmount = "on";
"com.sun:auto-snapshot" = "false";
};
};
"persist/system/var/log" = {
type = "zfs_fs";
mountpoint = "/persist/system/var/log";
options = {
"com.sun:auto-snapshot" = "false";
};
};
};
}
(util.mkUnless config.storage.impermanence.enable {
# TODO: configure datasets for normal zfs
# TODO: create datasets for systemd.services.<name>.storage.impermanence.datasets
storage.zfs.datasets = {
"persist/system/root" = {
type = "zfs_fs";
mountpoint = "/";
canmount = "on";
};
};
})
(lib.mkIf config.storage.impermanence.enable {
storage.impermanence.datasets = {
"persist/system/root" = {
type = "zfs_fs";
};
};
storage.zfs.datasets = {
# TODO: is there a way that we can link these two folders in configs via storage.impermanence.datasets
"local/system/root" = {
type = "zfs_fs";
mountpoint = "/";
options = {
canmount = "on";
};
postCreateHook = ''
zfs snapshot rpool/local/system/root@blank
'';
};
};
# TODO: home-manager.users.<user>.storage.impermanence.enable
# is false then persist the entire directory of the user
# if true persist home-manager.users.<user>.storage.impermanence.datasets
# TODO: systemd.services.<name>.storage.datasets persists
})
])
)
# TODO: configure other needed storage modes here
];
}